Care sunt cele două teorii folosite la descrierea fenomenelor termodinamice?

Global warming was a major concern some people do not care global warming is fake it is not real the percentage of it happening  is slight 

When is this

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips.